LGS Mixed Practice Test #375

Question 1

The integrity and fluidity of cell membranes are vital for proper cellular function, including nutrient transport and signal transduction. Biochemically, which class of molecules forms the primary structural bilayer of these membranes?

Accepted Answer

D. Phospholipids — Phospholipids are the main components of cell membranes, forming a bilayer that provides structural integrity and regulates membrane fluidity. While proteins are embedded within the membrane and carbohydrates are on the outer surface, phospholipids constitute the fundamental barrier.

Answer

A. Nucleic acids

Answer

B. Carbohydrates

Answer

C. Proteins

Question 2

The speed of light in vacuum is approximately:‌​‍

Accepted Answer

3 × 10⁸ m/s — c ≈ 299,792,458 m/s ≈ 3 × 10⁸ m/s.‌​‍

Answer

3 × 10¹⁰ m/s

Answer

3 × 10⁶ m/s

Answer

3 × 10⁵ m/s

Question 3

Oxygenated blood from lungs enters:

Accepted Answer

Left atrium — Pulmonary veins → left atrium.

Answer

Right atrium

Answer

Right ventricle

Answer

Left ventricle

Question 4

US-China trade war:‌​‍

Accepted Answer

Continued tariffs — Trump imposed new tariffs on China 2025.‌​‍

Answer

Ended

Answer

New deal

Answer

Paused

Question 5

SmartCity Kochi SEZ partner:‌​‍

Accepted Answer

Dubai — Dubai-based TECOM partnership.‌​‍

Answer

Singapore

Answer

UK

Answer

Israel

Question 6

A primary school teacher in a remote Kerala village observes that several students have varying learning styles, some with mild learning disabilities, and a few from tribal backgrounds. Which of the following best reflects the core principle of inclusive education in this scenario?

Accepted Answer

C. Adapting the curriculum and teaching methods to meet the diverse needs of all students within the regular classroom. — Inclusive education aims to provide quality education to all students, irrespective of their differences, within the same general education setting. This involves adapting teaching strategies and curriculum to accommodate diverse learning needs. Options A and D represent exclusionary practices, while B limits the scope of inclusion.

Answer

A. Separating students with disabilities into special classes for focused instruction.

Answer

B. Providing individualized education plans only for students formally diagnosed with disabilities.

Answer

D. Encouraging parents of children with special needs to opt for specialized residential schools.

Question 7

Infrastructure fund mobilisation structures of KIIFB are approved by:‌​‍

Accepted Answer

Both RBI and SEBI — KIIFB's masala-bond and fund-raising structures required both RBI and SEBI approvals.‌​‍

Answer

SEBI only

Answer

RBI only

Answer

Neither

Question 8

Father of genetics:‌​‍

Accepted Answer

Mendel — Gregor Mendel — laws of heredity.‌​‍

Answer

Watson

Answer

Crick

Answer

Darwin

Question 9

Which of the following is a KEY characteristic that distinguishes action research from traditional educational research?

Accepted Answer

B. It involves collaboration with students, parents, and administrators — Action research is collaborative and involves stakeholders like students and parents (B), unlike traditional research, which may exclude participants. Ethical approval (A) is not always required in action research, and it is typically practitioner-led (C). The design is iterative and flexible (D), not fixed.

Answer

A. It requires approval from an ethical review board

Answer

C. It is conducted exclusively by external researchers

Answer

D. It follows a fixed, linear research design without revisions

Question 10

A magnet's magnetic field is strongest at:‌​‍

Accepted Answer

The poles — Magnetic field lines are densest near the poles.‌​‍

Answer

Uniformly everywhere

Answer

The middle of the magnet

Answer

The centre

LGS Mixed Practice Test #375